INA103KU/1K

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The INA103KU/1K is a low-power, single-amplifier instrumentation amplifier, designed to provide a wide range of amplification and wide bandwidth with excellent common-mode rejection. It is a part of a family of low-power, linear-amplifier ICs, and can be used in applications such industrial process control, medical instrumentation, and power plant automation.

The INA103KU/1K is designed to operate from a single +6V to +18V supply. It features a single amplifier stage with gain scales from +4dB to +24dB. The wide common-mode range of the INA103KU/1K allows it to be used in virtually any system, providing great common-mode rejection ratios up to 85dB at +2V to +32V.

The INA103KU/1K\'s adjustable gain can be set using a single external resistor and it includes an optional input DC restoration. The INA103KU/1K also includes an asynchronous reset input, which allows the user to quickly reset the amplifier configuration.

The INA103KU/1K\'s wide bandwidth provides excellent high-frequency response, up to 150MHz when operated from +6V supply. It features a high slew rate, up to 1V/µs, for optimized dynamic performance, and a low noise floor, down to 0.003%. The low noise makes the INA103KU/1K ideal for use in high speed systems.

The working principle of the INA103KU/1K mainly involves the use of two independent input amplifiers to provide wide bandwidth with high common-mode rejection. The amplifier operates with two internal gain stages; one is used to handle large common-mode signals (Vcm) while the other is used to amplify small differential signals (Vid).

The gain of the amplifier is determined by the ratio of the external resistor value to the amplifier\'s built-in bias current. In addition to this, the INA103KU/1K includes the option of an input DC restoration circuit, which can be enabled by an external pull-up resistor. This feature helps reduce the effects of input bias currents on the output.

The INA103KU/1K is an excellent choice for instrumentation applications, providing high-quality linear amplification, high common-mode rejection, and a wide bandwidth. Its low power consumption and adjustable gain make it a great choice for embedded systems, where size and power consumption are at a premium.

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